Science

Thursday, 19 March 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Tears
There are three types of tears.
They are: Basal tears (protecting and nourishing cornea) Reflex tears (glands' reaction to irritating compounds, like smoke) Emotional tears (produced in response to various emotional states)
Milky Way
Until 1920, most astronomers believed that the Milky Way contained all the stars in the universe.
Only observations made by Edwin Hubble made humanity realize that it is only one of many galaxies.
Liver
Drinking caffeinated beverages, especially green tea and coffee, benefits the well-being of the liver.
Graphene
Carbon is capable of creating many allotropes due to its valence.
In nature, it occurs in large quantities in basically only three allotropic varieties: graphite, dia ...
Large Magellanic Cloud
The next description of the galaxy appeared in Amerigo Vespucci's writings on his third expedition. He observed the object in the years 1503 - 1504.
Ganymede
Probably in 365 BC, the Chinese astronomer Gan De managed to observe Ganymede with the naked eye.
Ganymede
The surface temperature of the moon is about 110 K.
Aurora
There are two types of auroras: northern - Aurora Borealis, and southern - Aurora Australis.
Brain
The brain develops and matures until around the age of 25.
During the first year of life, an infant's brain enlarges threefold.
Brain
It consists of 75% water.
This is primarily why proper hydration of the body is so important - dehydration disrupts the brain’s work.